17x28x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack microbial fertilizer more robust root system

more robust root system

500K 46½” x 3⅛” x 1⅝” 1

The Luxx Lighting 630W CMH is becoming the most popular lamp in the horticultural industry in years

Made of grey ABS plastic shell for less heat absorption from lights above and greater reflective properties to promote efficient growth

If mites are your problem

17x28x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack microbial fertilizer more robust root systemNordic Pure Custom MERV 7 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition